2D	two-dimensional
3D	three-dimensional
3G	third generation
ABM	Active Block Modifier
ADB	Android Debug Bridge
ADT	Android Developer Tools
AGPL	Affero General Public License
AIDS	acquired immune deficiency syndrome
AJAX	asynchronous JavaScript and XML
ALEC	American Legislative Exchange Council
AMD	Advanced Micro Devices
APA	American Psychological Association
API	application programming interface
APN	Access Point Name
APT	Advanced Package Tool
ARP	Address Resolution Protocol
ASCII	American Standard Code for Information Interchange
AT&T	American Telephone and Telegraph
ATA	Advanced Technology Attachment
ATM	automated teller machine
BCE	Before Common Era
BIND	Berkeley Internet Name Domain
BIOS	Basic Input/Output System
BMI	body mass index
BSD	Berkeley Software Distribution
CAPTCHA	Completely Automated Public Turing test to tell Computers and Humans Apart
CC BY	Creative Commons Attribution
CC BY 3.0	Creative Commons Attribution 3.0 Unported
CC BY 4.0	Creative Commons Attribution 4.0 International
CC BY-NC	Creative Commons Attribution-NonCommercial
CC BY-NC-ND	Creative Commons Attribution-NonCommercial-NoDerivatives
CC BY-NC-SA	Creative Commons Attribution-NonCommercial-ShareAlike
CC BY-NC-SA 3.0	Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported
CC BY-ND	Creative Commons Attribution-NoDerivatives
CC BY-SA	Creative Commons Attribution-ShareAlike
CC BY-SA 2.5	Creative Commons Attribution-ShareAlike 2.5 Generic
CC BY-SA 3.0	Creative Commons Attribution-ShareAlike 3.0 Unported
CC BY-SA 3.0 US	Creative Commons Attribution-ShareAlike 3.0 United States
CC BY-SA 4.0	Creative Commons Attribution-ShareAlike 4.0 International
CD	compact disc
CDC	Centres for Disease Control and Prevention
CDMA	code division multiple access
CDN	content delivery network
CE	Current Era
CEO	chief executive officer
CFQ	Complete Fairness Queueing
CGI	Common Gateway Interface
CIDR	Classless Internet Domain Routing
CISC	complex instruction set computer
CMS	content management system
CMYK	Cyan-Magenta-Yellow-Key
COBOL	common business-oriented language
CPR	cardiopulmonary resuscitation
CPU	central processing unit
CRC	Cyclical Redundancy Check
CSS	Cascading Style Sheets
CSV	comma-separated values
DBMS	database management system
DDoS	distributed denial-of-service
DHCP	Dynamic Host Configuration Protocol
DKIM	DomainKeys Identified Mail
DMCA	Digital Millennium Copyright Act
DMV	Department of Motor Vehicles
DNA	deoxyribonucleic acid
DNS	Domain Name System
DNSSEC	Domain Name System Security Extensions
DOM	Document Object Model
DOS	disk operating system
DRM	digital restrictions management
DSL	digital subscriber line
DTD	document type definition
DVD	digital versatile disc
DVR	digital video recorder
DoS	denial-of-service
EDGE	Enhanced Data rates for GSM Evolution
EFF	Electronic Frontier Foundation
EIN	Employer Identification Number
EPUB	electronic publication
ESR	Extended Support Release
EUGLUG	Eugene Unix & GNU/Linux User Group
EUR	euros
EXOFS	Extended Object File System
FAFSA	Free Application for Federal Student Aid
FAT	File Allocation Table
FBI	Federal Bureau of Investigation
FCC	Federal Communications Commission
FIFO	first in, first out
FLAC	Free Lossless Audio Codec
FOIL	First Outer Inner Last
FSF	Free Software Foundation
FTP	File Transfer Protocol
FTPS	File Transfer Protocol Secure
FQDN	fully qualified domain name
GB	gigabytes
GBP	pounds sterling
GD	graphics draw
GFDL	GNU "Free" Documentation License
GIF	Graphics Interchange Format
GIMP	GNU Image Manipulation Program
GMO	genetically modified organism
GMP	GNU Multiple Precision Arithmetic Library
GNOME	GNU Network Object Model Environment
GNU	GNU's Not Unix
GPA	Grade Point Average
GPL	General Public License
GPLv2	General Public License version Two
GPLv3	General Public License version Three
GPLv3+	General Public License version Three or later
GPSr	Global Positioning System receiver
GPU	graphics processing unit
GRUB	Grand Unified Bootloader
GSM	Global System for Mobile Communications
GTK+	GIMP Toolkit
GUI	graphical user interface
GnuPG	GNU Privacy Guard
HDD	hard disk drive
HHVM	HipHop Virtual Machine
HIV	human immunodeficiency virus
HKD	Hong Kong Dollars
HP	hit points
HPV	human papillomavirus
HTML	Hypertext Markup Language
HTTP	Hypertext Transfer Protocol
HTTPS	Hypertext Transfer Protocol Secure
HUD	heads-up display
I/O	input/output
I2P	Invisible Internet Project
IANA	Internet Assigned Numbers Authority
IBM	International Business Machines Corporation
ICANN	Internet Corporation for Assigned Names and Numbers
ICMP	Internet Control Message Protocol
ID	identification
IDE	integrated development environment
IDLE	Integrated Development and Learning Environment
IDN	internationalised domain name
IETF	Internet Engineering Task Force
IIS	Internet Information Services
IMAP	Internet Message Access Protocol
IMEI	International Mobile Station Equipment Identity
IMSI	international mobile subscriber identity
IP	Internet Protocol
IPC	inter-process communication
IPv4	Internet Protocol version Four
IPv6	Internet Protocol version Six
IRA	individual retirement account
IRC	Internet Relay Chat
IRCD	Internet Relay Chat Daemon
IRCS	Internet Relay Chat over SSL
IRS	Internal Revenue Service
ISBN	International Standard Book Number
ISO	International Organisation for Standardisation
ISP	Internet service provider
IT	information technology
IWRM	integrated water resources management
JAR	Java Archive
JDK	Java Development Kit
JPEG	Joint Photographic Experts Group
JRE	Java Runtime Environment
JSON	JavaScript Object Notation
JVM	Java virtual machine
KDE	K Desktop Environment
LAN	local area network
LBAC	lattice-based access control
LED	light-emitting diode
LFU	least-frequently used
LGPL	Lesser General Public License
LGPLv3+	Lesser General Public License version Three or later
LIFO	last-in, first-out
LKR	Sri Lankan rupees
LRU	least-recently used
LTE	Long-Term Evolution
LTS	long-term support
LUG	Linux User Group
LUKS	Linux Unified Key Setup
LXDE	Lightweight X11 Desktop Environment
MAC	media access control
MB	megabytes
MD5	message digest 5
MIDI	Musical Instrument Digital Interface
MIME	Multi-purpose Internet Mail Extensions
MIT	Massachusetts Institute of Technology
MMS	Multimedia Messaging Service
MP3	MPEG-1 or MPEG-2 Audio Layer III
MRI	magnetic resonance imaging
MTP	Media Transfer Protocol
MVNO	mobile virtual network operator
Mbps	megabits per second
NIC	Network Information Centre
NILFS	New Implementation of a Log-structured File System
NSA	National Security Agency
NTFS	New Technology File System
OCD	obsessive-compulsive disorder
ODHS	Oregon Department of Human Services
ODT	OpenDocument Text
OFTC	Open and Free Technology Community
OOP	object-oriented programming
OS	operating system
OTR	Off-the-Record
PCI	Peripheral Component Interconnect
PDF	Portable Document Format
PEAR	PHP Extension and Application Repository
PECL	PHP Extension Community Library
PETA	People for the Ethical Treatment of Animals
PGP	Pretty Good Privacy
PHP	PHP: Hypertext Preprocessor
PIN	personal identification number
PKI	public key infrastructure
PMS	premenstrual syndrome
PNG	Portable Network Graphic
POP3	Post Office Protocol version 3
PR	public relations
PSI	pound-force per square inch
PTSD	post-traumatic stress disorder
PowerPC	Performance Optimisation With Enhanced RISC - Performance Computing
QUIC	Quick User Datagram Protocol Internet Connections
RAID	Redundant Array of Inexpensive Disks
RAM	random-access memory
RAR	Roshal Archive
RBAC	role-based access control
RFC	Request for Comments
RGB	red-green-blue
RISC	reduced instruction set computer
RNG	random number generator
ROM	read-only memory
ROT13	rotate by 13 places
RPC	remote procedure call
RPG	role-playing game
RPM	revolutions per minute
RSA	Rivest-Shamir-Adleman
RSS	Rich Site Summary
RTF	Rich Text Format
SANE	Scanner Access Now Easy
SASL	Simple Authentication and Security Layer
SCSI	Small Computer System Interface
SD	Secure Digital
SDK	software development kit
SDXC	Secure Digital Extended Capacity
SFTP	SSH File Transfer Protocol
SGML	Standard Generalised Markup Language
SHA1	secure hash algorithm 1
SHA256	secure hash algorithm 2 (256 bit)
SHTML	Server Side Include-enabled Hypertext Markup Language
SIDS	sudden infant death syndrome
SIM	subscriber identity module
SIP	Session Initiation Protocol
SLD	Second Level Domain
SMS	Short Message Service
SMTP	Simple Mail Transfer Protocol
SNI	Server Name Indication
SOCKS	Socket Secure
SPF	Sender Policy Framework
SSD	solid-state drive
SSH	Secure Shell
SSHFS	Secure Shell Filesystem
SSL	Secure Sockets Layer
STI	sexually transmitted infection
SQL	Structured Query Language
SVG	Scalable Vector Graphics
SaaSS	Service as a Software Substitute
TCP	Transmission Control Protocol
TDM	Time Division Multiplexing
TFTP	Trivial File Transfer Protocol
TLD	Top Level Domain
TLS	Transport Layer Security
TNT	trinitrotoluene
TTL	time to live
TTY	text terminal
TZS	shillingi
Tor	The Onion Router
UDP	User Datagram Protocol
UMTS	Universal Mobile Telecommunications System
UPS	United Parcel Service
URI	Uniform Resource Identifier
URL	Uniform Resource Locator
URN	Uniform Resource Name
US	United States of America
USA FREEDOM	Uniting and Strengthening America by Fulfilling Rights and Ending Eavesdropping, Dragnet-collection and Online Monitoring
USA PATRIOT	Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism
USB	Universal Serial Bus
USD	United States Dollars
USPS	United States Postal Service
UTC	Universal Coordinated Time
UTF	Unicode Transformation Format
VAT	value-added tax
VEF	bolívar fuerte
VFAT	Virtual File Allocation Table
VGA	Video Graphics Array
VHS	Video Home System
VIN	vehicle identification number
VLC	VideoLAN Client
VPN	virtual private network
VPS	virtual private server
VoIP	Voice over Internet Protocol
VoLTE	Voice over Long-Term Evolution
W3C	World Wide Web Consortium
WAVE	Waveform Audio File Format
WCDMA	wideband code division multiple access
WHATWG	Web Hypertext Application Technology Working Group
WIPO	World Intellectual Property Organisation
WVGA	Wide Video Graphics Array
WYSIWYG	what you see is what you get
Weka	Waikato Environment for Knowledge Analysis
Wicd	Wireless Interface Connection Daemon
Wine	Wine Is Not an Emulator
XHTML	Extensible Hypertext Markup Language
XSL	Extensible Stylesheet Language
XSLT	Extensible Stylesheet Language Transformations
XML	Extensible Markup Language
XMPP	Extensible Messaging and Presence Protocol
ZIP	Zone Improvement Plan
a.m.	ante meridiem
cURL	Client for URLs/Client URL Request Library/Curl URL Request Library
ccTLD	country code top-level domain
exFAT	Extended File Allocation Table
ext	 extended filesystem
ext2	second extended filesystem
ext3	third extended filesystem
ext4	fourth extended filesystem
gTLD	generic top-level domain
laser	light amplification by stimulated emission of radiation
lo-fi	low fidelity
mDNS	multicast Domain Name System
mRNA	messenger ribonucleic acid
ngIRCd	Next Generation IRC Daemon
p.m.	post meridiem
pH	potential of hydrogen
rDNS	reverse Domain Name System
radar	Radio Detection And Ranging
regexp	regular expression
